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Summary

Physical Characteristics

Ceratophyllum is a PERENNIAL growing to 1 m (3ft 3in) at a fast rate.
See above for USDA hardiness. It is hardy to UK zone 8. It is in flower from July to September. The species is monoecious (individual flowers are either male or female, but both sexes can be found on the same plant) and is pollinated by Water.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers wet soil and can grow in water.

UK Hardiness Map US Hardiness Map

Synonyms

Plant Habitats

Edible Uses

Leaves[105, 177]. No further details are given.

References More on Edible Uses

Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.

The plant is a cooling antiperiodic[240]. It is useful in the treatment of biliousness and scorpion stings[240].

References More on Medicinal Uses

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Other Uses

None known

Special Uses

References More on Other Uses

Cultivation details

Prefers a sandy medium rich in decaying organic matter in full sun, but it tolerates shade better than most submerged aquatic plants[188]. A good pond oxygenator, it usually grows submerged in the water but is sometimes found floating on the surface[1, 188]. This species belongs to one of only two known dicot genera where pollination taks place under water. The anthers of male flowers break off the plant and float to the surface where they release their pollen grains. These then sink under the water to fertilize the female flowers[274]. This species, however, more commonly reproduces asexually[274]. In some parts of the world bilharzia-carrying snails and malaria-carrying mosquito larvae shelter in the leaves of plants of this genus. The plants can also grow so vigorously as to choke waterways, though they also provide good shelter for young fish[274]. The plant is very brittle[1].

References Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

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Plant Propagation

Seed - we have no details on this species but would suggest sowing the seed as soon as it is ripe in early autumn in a greenhouse with the pot immersed in water. It is likely that the seed will quickly lose viability if allowed to dry out so if it is stored it should be kept cool in a container of water and then be sown in late winter. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in a tray of water in the greenhouse for at least their first winter. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts. Cuttings in the growing season root easily[188]. Plants propagate themselves naturally when scaly young shoots or winter buds separate from the main plant[188].

Other Names

If available other names are mentioned here

Native Range

TEMPERATE ASIA: Yemen, Iran, Iraq, Israel, Jordan, Lebanon, Syria, Turkey, Russian Federation-Ciscaucasia (Ciscaucasia), Armenia, Azerbaijan, Georgia, Russian Federation (Altay, Buryatia, Chita, Krasnoyarsk, Tyumen, Tyva, Respublika, Yakutia-Sakha), Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, Uzbekistan, China (Anhui Sheng, Fujian Sheng, Guangdong Sheng, Guangxi Zhuangzu Zizhiqu, Guizhou Sheng, Hebei Sheng, Heilongjiang Sheng, Henan Sheng, Hubei Sheng, Hunan Sheng, Jiangsu Sheng, Jilin Sheng, Nei Mongol Zizhiqu, Ningxia Huizi Zizhiqu, Shaanxi Sheng, Shandong Sheng, Shanxi Sheng, Sichuan Sheng, Xinjiang Uygur Zizhiqu, Xizang Zizhiqu, Yunnan Sheng, Zhejiang Sheng), Japan, Taiwan TROPICAL ASIA: India, New Guinea, Borneo, Indonesia (Jawa), Philippines NORTHERN AMERICA: Canada (Northwest Territories, Yukon, New Brunswick, Nova Scotia, Ontario, Québec, Alberta, British Columbia, Manitoba, Saskatchewan), United States (Alaska, Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia, Illinois, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, Oklahoma, South Dakota, Wisconsin, Colorado, Idaho, Montana, Oregon, Washington, Wyoming, Alabama, Arkansas, Delaware, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, New Mexico, Texas, Arizona, California, Nevada, Utah) SOUTHERN AMERICA: Cuba, Jamaica, Trinidad and Tobago, United States (Puerto Rico), Belize, Costa Rica, Honduras, Nicaragua, Panama, Venezuela, Argentina, Chile AUSTRALASIA: Australia (New South Wales (east & south), Queensland (east), South Australia (southeast), Victoria (n. & s.), Western Australia (north), Northern Territory (north)) EUROPE: Denmark, Finland, United Kingdom, Ireland, Norway, Sweden, Austria, Belgium, Switzerland, Czech Republic, Germany, Hungary, Luxembourg, Netherlands, Poland, Slovakia, Russian Federation (European part), Belarus, Estonia, Lithuania, Latvia, Moldova, Ukraine, Albania, Bulgaria, Greece, Croatia, North Macedonia, Romania, Serbia, Spain, France AFRICA: Spain (Canarias), Portugal (Azores), Algeria, Egypt, Libya, Morocco, Tunisia, Eritrea, Ethiopia, Sudan, Chad, Kenya, Tanzania, Uganda, Burundi, Central African Republic, Cameroon, Democratic Republic of the Congo, Congo, Gabon, Rwanda, Benin, Côte D‘Ivoire, Ghana, Guinea-Bissau, Mali, Mauritania, Nigeria, Senegal, Togo, Angola, Mozambique, Malawi, Botswana, Namibia, Eswatini, South Africa (Eastern Cape, Gauteng, KwaZulu-Natal, Limpopo, Mpumalanga, Western Cape), Madagascar

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so itâ€™s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

Related Plants

Latin Name	Common Name	Habit	Height	Hardiness	Growth	Soil	Shade	Moisture	Edible	Medicinal	Other
Ceratophyllum demersum	Hornwort, Coon's tail	Perennial	1.0	7-10	F	LMH	SN	WeWa	1	1

Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.

Ceratophyllum - L.